Home / 205,815,966,697.80-308,723,950,046.70-73,322,481,846.60

Finding the Fourth Proportional to 205,815,966,697.80, 308,723,950,046.70 and 73,322,481,846.60

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Solution

The fourth proportional to 205,815,966,697.80, 308,723,950,046.70 and 73,322,481,846.60 is: 109,983,722,769.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,815,966,697.80 : 308,723,950,046.70 = 73,322,481,846.60 : x
  2. Step 2: Convert to fraction form
    205,815,966,697.80/308,723,950,046.70 = 73,322,481,846.60/x
  3. Step 3: Cross multiply
    205,815,966,697.80x = 308,723,950,046.70 × 73,322,481,846.60
  4. Step 4: Simplify right side
    205,815,966,697.80x = 22,636,406,222,909,809,360,896
  5. Step 5: Solve for x
    x = 22,636,406,222,909,809,360,896/205,815,966,697.80
  6. Step 6: Final answer
    x = 109,983,722,769.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.